The art of anaesthesia . FiO. 126.—Funnel with tube for intrapharyngeal anaesthesia. tion through the tube brought about by the respirationsof the patient. This being comparatively small, themethod by ether alone is quite inefficient. When the C. is used, better results may be expected. Intratracheal Anesthesia by Improvised —Intratracheal anaesthesia may be satisfactorily ad-ministered by employing a technic similar to that described 316 ANAESTHESIA for the emergency intrapharyngeal method. When thismethod is employed, we introduce a tube directly into thetrachea, attach
The art of anaesthesia . FiO. 126.—Funnel with tube for intrapharyngeal anaesthesia. tion through the tube brought about by the respirationsof the patient. This being comparatively small, themethod by ether alone is quite inefficient. When the C. is used, better results may be expected. Intratracheal Anesthesia by Improvised —Intratracheal anaesthesia may be satisfactorily ad-ministered by employing a technic similar to that described 316 ANAESTHESIA for the emergency intrapharyngeal method. When thismethod is employed, we introduce a tube directly into thetrachea, attaching the distal end to a tube which connectsit to a funnel as described above. This method is much. Fig. 127.—Funnel with tube for intratracheal Journal oi Surgery.) (Courtesy more efficient than the intrapharyngeal method, becausea much larger volume of air passes through the tube. Anapparatus similar to the one shown in Fig. 127 has beenrepeatedly used with much success. The danger of such a method in inexperienced hands is EMERGENCY AN/ESTHESIA 317 much greater than that described on page 159, but itsusefulness where indicated, in the absence of the usualapparatus, can hardly be denied. By such a method it isimpossible to obtain positive intrapulmonary pressure. Accessories to Emergency Anaesthesia.—A mouthwedge, necessary when masseteric spasm and cyanosisoccur, may easily be improvised by whittling a piece ofhard wood in the form shown in Fig. 13. A breathing tube, acting in the capacity of the Connellthroat tube, Fig. 14, may readily be made from a five-inchpiece of rectal tube or other stout tubing having a diameterof at least half an inch. A safety p
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